go under the microscope today. president obama will make his case to lawmakers to keep the nsa's spying capabilities alive. >>> major league baseball prepares to hand out suspensions toll more than a dozen players for their involvement in the sport's latest performance-enhancing drug scandal, and the game's highest paid player could be facing a lifetime ban. >>> and george zimmerman surfaces. the neighborhood watch volunteer acquitted of murdering trayvon martin has a minor brush with the law. captioning funded by cbs captioning funded by cbs thursday, august 1st, >>> this is the "cbs morning news" for thursday, august 1st, 2013. good morning. good to be with you.